ONE TIME PASSWORD (OTP) Important Notice for merchant IVR and mobile transactions: Effective Feb 1, 2011, merchant IVR and mobile transactions (E.g. Tata Sky, Vodafone etc) will require a One Time Password (OTP) for executing the transaction. The OTP is a six digit number and you are requested to generate an OTP prior to every such transaction. Getting an OTP Please SMS OTP XXXX (Last 4 digits of the Credit Card number) to 52484 or 9880752484 to generate an OTP. Using OTP Please key in the OTP alongwith other card details required such as card number, expiry date and CVV number, for completing the transaction. Validity of OTP The OTP is a single use password valid for 30 minutes from the time of placing request. Please note: Online transactions will continue to be authenticated by the Internet PIN (IPIN) and similarly CitiPhone banking will continue with Telephone PIN (TPIN). The earlier online transactions, which were permissible with date of birth verification will now be replaced by OTP validation. CITIBANK is a registered service mark of Citibank, N.A. This emailer is intended only for Citibank customers and does not tantamount to spamming. You are advised to contact Citibank to clarify any questions you may have with regard to any information contained in this emailer. Citibank N.A., Citigroup, Inc. and/or any of their affiliates/associates have no liability whatsoever to any person on account of the use of information provided herein and the said information is provided on a best-effort basis. Please do not reply to this mail as it is a computer generated mail. For further information, please follow the instructions mentioned above. The SMS service is currently available on all cellular operators (GSM & CDMA) except MTNL, Tata Indicom & BSNL To unsubscribe, Click here | Do not want to be disturbed? Click here DON'T HAVE AN IPIN (INTERNET PASSWORD)? Click here to select one online instantly!